奶油不够变球
Scientists have been helping [endangered] animals [which are threatened with extinction(which are on the brink of extinction/ …)] become more resistant to disease.
夏筱筱筱瞳
1, is going energetically, to carry out the patriotic health and sanitation campaign in spring , to do well in interior hygiene. 2, individual needs to form fine hygiene habit, such as: Not spitting everywhere coughing , sneezing to others or not. 3, lives in a room in the ordinary time wanting the air achieving often opening the window , being ventilated taking a breath , keeping is fresh. 4, pays attention to writing for someone else "three shine upon three frequent ". Often shine upon bedclothes , shine upon clothes , person basking; Frequent wash clothes , often arrive at outdoor activities , pay attention to climate change much , add or subtract clothes at any time. 5, needs active do sports, such as: Running , playing a ball game , doing exercise , playing taijiquan and so on, strengthens the body's resistance ability. Avoid arriving at a public place to the full during the period of the disease is popular, not arriving disease home dropping around.附（中文）1、 要大力开展春季爱国卫生运动，搞好室内卫生。2、 个人要养成良好的卫生习惯，如：不随地吐痰、不对别人咳嗽、打喷嚏。3、 平时住室要做到经常开窗，通风换气，保持空气新鲜。4、 注意捉刀“三晒三勤”。经常晒被褥、晒衣服、人晒太阳；勤洗衣服，常到室外活动，多注意气候变化，随时增减衣服。5、 要积极进行体育锻炼，如：跑步、打球、做操、打太极拳等，增强身体的抵抗能力。在疾病流行期间，尽量避免到公共场所，不要到病家串门。
